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<?php
namespace app\controllers;
use Registry;
use UserManager;
use User;
use app\models\user\User_model;
/** class Auth
*
* handles user's Authentication and Authorizarion
*
*/
class Auth {
/** login
*
* checks visitor's credentials;
* if valid, authenticates user
*
*/
public static function login()
{
$req = Registry::get('REQUEST');
// get the record of the target user
$record = User_model::checkUser('email', $req->POST['email']);
// if no user exists, return false
if ($record === false) return false;
// create a user object
$user = (new User())
->setUserName($record['email'])
->setPassword($record['password'])
->setRoles(json_decode($record['roles']))
->setEnabled($record['active']);
// let user manager to validate user credentials
$userManager = new UserManager();
if ($userManager->isPasswordValid($user, $req->POST['password'])) {
// login OK, set Token in session
$userManager->createUserToken($user);
} else {
return false;
}
}
/** register
*
* registers new user
*
*/
public static function register()
{
$userManager = new UserManager();
$req = Registry::get('REQUEST');
// create a salted password hash
$password = $userManager->cryptPassword($req->POST['password']);
$user = (new User())
->setUserName($req->POST['username'])
->setPassword($password)
->setRoles(['ROLE_USER']);
// TODO:
// store user to database
$userManager->createUserToken($user);
}
public static function logout()
{
$userManager = new UserManager();
$userManager->logout();
}
/** isGranted( ROLE )
*
* checks if the user is granted (some of) the specified role(s)
* to access the source
*
* NOTE:
* if no roles are specified then user is granted
* (because every user is granted the 'no-role')
*
* @param $roles (array): array of roles to check (if any is granted)
*
*/
public static function isGranted($roles = [])
{
// no role required ? user is granted access
if ($roles == []) return true;
// else, UserManager knows if user isGranted
$userManager = new UserManager();
if ($userManager->isGranted($roles)) {
return true;
} else {
return false;
}
}
/** hasPermition( PERMIT )
*
* checks if the user owns the specified permition
* to access the source
*
*/
public static function hasPermition($permit = [])
{
if ($permit == []) return true;
}
/** isAuthenticated()
*
* chechs if the user's roles and permitions
* satisfy the specified requirements
* to access the source
*
* @param $requirements (array of rules-array)
*
* example:
* [
* [
* role => ['editor','designer']
* permition => ['10', '12', '18']
* ],
* [
* role => ['admin' , 'developερ']
* ],
* [
* permition => [ 3 ]
* ]
* ]
*
* defines (and parses to) a requirements rule of:
* [
* user should be editor or designer
* and have permition 10 or 12 or 18
* ]
* OR
* [
* user should be an administratoe or developer
* ]
* OR
* [
* user should have permition #3
* ]
*
*
*/
public static function isAuthorized($requirements)
{
$authorized = false;
foreach($requirements as $required) {
if ( (self::isGranted($required['role'] ?? []))
&& (self::hasPermition($required['permition'] ?? [])) ) {
$authorized = true;
}
}
return $authorized;
}
public static function forgot_pass()
{
}
public static function validate_otp()
{
}
}
|
